.pr {
  position: relative;
}
.preview_item {
  /* width: 40%;
  min-height: 50px; */
  /* height: 50px; */
  border-radius: 10px;
  margin-bottom: 5px;
  font-size: 20px;
  border: 1px solid #3c3c3c;
  padding: 8px;
}
.preview_box {
  display: flex;
  padding: 10px;
  justify-content: space-between;
  flex-wrap: wrap;
}
.preview_label {
  word-wrap: normal;
  font-size: 10px;
}
.preview_content {
  display: flex;
  font-size: 10px;
}
.preview_content .el-input,.el-button {
  /* height: 20px; */
}
.preview_content .el-button, .el-button.is-round {
  padding: 4px 8px;
}
.preview_item::after {
  position: absolute;
  content: '';
  left: 0;
  bottom: 0;
  right: 0;
  top: 0;
}